76932-83-7 L-Phenylalaninamide, L-tyrosyl-D-tryptophyl-L-alanyl-D-tryptophyl- L-Tyrosyl-D-tryptophyl-L-alanyl-D-tryptophyl-L-phenylalaninamide Ttatpn Tyr-trp-ala-trp-phe-NH2 Tyrosyl-tryptophyl-alanyl-tryptophyl-phenylalaninamide